Question

若 |x-2分之一| + (2y+1)的2次方=0 ,则x的次方+3的y次方的值是

Answer 1

|x-2分之一| + (2y+1)的2次方=0 ,

x-1/2=0,2y+1=0

x=1/2,y=-1/2

x的3次方+3的y次方

=(1/2)^3+(-1/2)^3

=0